tweak sidebars, undraft post

_quarto.yml

@@ -116,8 +116,12 @@ website:
         - section: "Algebraic Stereography"
           href: ./posts/math/stereo/index.qmd
           contents:
-            - ./posts/math/stereo/1/index.qmd
+            - text: "Algebraic Rotations and Stereography"
-            - ./posts/math/stereo/2/index.qmd
+              href: ./posts/math/stereo/1/index.qmd
+            - text: "Further Notes on Algebraic Stereography"
+              href: ./posts/math/stereo/2/index.qmd
+            - text: "Stereographic Hyperspheres"
+              href: ./posts/math/stereo/3/index.qmd
 
     - id: permutations-sidebar
       style: "floating"
@@ -172,9 +176,9 @@ website:
               - text: "Appendix"
                 href: ./posts/math/finite-field/2/extra/index.qmd
             - text: "Part 3: Roll a d20"
-              href: ./posts/math/finite-field/2/index.qmd
+              href: ./posts/math/finite-field/3/index.qmd
-            - text: "Part 5: The Power of Forgetting"
+            - text: "Part 4: The Power of Forgetting"
-              href: ./posts/math/finite-field/2/index.qmd
+              href: ./posts/math/finite-field/4/index.qmd
 
 format:
   html:

posts/math/stereo/3/index.qmd

@@ -11,7 +11,6 @@ categories:
   - algebra
   - topology
   - geometric algebra
-draft: true
 ---
 
 <style>

posts/math/stereo/_metadata.yml

@@ -1,4 +1,4 @@
 # freeze computational output
 freeze: auto
 
-sidebar: stereograph-sidebar
+sidebar: stereography-sidebar